64M. Pancreatic cyst with cyst fluid showing CEA 5500, no prior history of acute pancreatitis. Mainly unilocular cyst measuring 110 mm in maximum diameter. This cyst is filled with tan coloured mucoid fluid and has a rough inner lining. At its distal (splenic) and posterior aspects, the cyst wall is particularly thickened and contains numerous small daughter cysts (measuring up to 5 mm in diameter).
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